Jacquard mechanism for looms



(No Model.) 2 Sheets-Sheet 1.

EQW. FRANCE & J. BUCKLER. JAGQUARD mnommsm FOR LOOMS.

Nd. 570,703. Patented Nov. 3, 1896.

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(No Model.) v 2 Sheets-6mm 2.

E. W. FRANCE 8: J. BUC-KLBR.

JAGQUARD MECHANISM FOR LOOMS.

No 570,703. Patented Nov. 3, 1896. 1

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UNITED- STATES PATENT ()FFICE.

EDlVARD XV. FRANCE AND JAMES BUCKLER, OF PHILADELPHIA,

PENNSYLVANIA.

JACQUARD MECHANISM FOR LOOMS.

SPECIFICATION forming part of Letters Patent No. 570,703, dated November3, 1896.

Application filed January 14, 1896. Serial No. 575,500. (Nomodel) To allwhom it may concern.-

Be it known that we, EDWARD FRANCE and JAMES BUCKLER, citizens of theUnited States, and residents of the city of Philadelphia, State ofPennsylvania, have invented certain new and useful Improvements inJacquard Mechanism for Looms, of which the following is a description.

Our invention relates more particularly to Jacquard mechanism for use inthe manufacture of ingrain carpets, in which, generally, as is wellunderstood by those skilled in the I art, two lifting-boardsreciprocating continuously and in opposite directions operate two setsof tail-cords which control, respectively, the two sets of warp-threadsforming the ground and the two sets of warp-threads forming the figureof the fabric. This arrangement is suitable where four sets in warp andfilling are operated in rotation; but when a weave is required whichcalls for an odd number of picks or an interior pick'it will be seenthat the same set of threads cannot be lifted for two or moreconsecutive picks because of the opposite reciprocations of theliftingboards. To illustrate, when white and olive in the ground andscarlet and black in the figure are used in rotation thealternatelyreciprocating lifting --boards and tail-cords effect thedesired result; but when the picks required in the weave are white andolive and scarlet, black, and olive it will be seen that the olivethreads must be lifted for two or more consecutive picks, which cannotbe effected by the alternate reciprocations of the lifting-boards.

In our invention griffs are substituted for the lifting-boards and hooksfor the tail-cords, two griffs reciprocating continuously and inopposite directions being provided in place of each lifting-board, andtwo hooks adapted, respectively, to engage adjacent bars of thereciprocating griffs in place of each tail-cord. When an even number ofpicks is required in the weave in rotation, as white and olive andscarlet and black, a pair of oppositely-reciprocating grilfs, one in theback and one in the front set, perform the function of thelifting-boards and effect the result; but when an odd number of picks oran interior pick is required in the weave, as white and olive andscarlet, black, and olive, necessitating two or moreconsecutive lifts ofthe olive threads, then the second pair of oppositely-reciprocatinggriffs are brought in to engagement with their hooks and efiect thedesired result.

The mechanism is illustrated in the accompanying drawings, in whichFigure 1 is a side elevation showing the position of the parts foreffecting the usual function of tailcords and lifter-boards or forforming the shed by lifting the sets of warp-threads in regular order,and Fig. 2 is a side elevation showing the griffs shifted bothhorizontally and vertically to illustrate the manner of lifting the sameset of warpthreads for consecutive picks.

The Jacquard frame 1 is provided with carriages 2 and 2, which areadapted to move horizontally in suitable ways 3 and 4 and 3 and 4 of theJacquard frame. This horizontal movement of the carriages is eifected bymeans of a toggle having its links 5 and 5 pivoted to the carriages at 6and 6, while its v knee 7 is pivoted to a vertically-movable rod 8. Ablock 9, which is free to move in the guideway 10 of the frame-column11, receives the pivot which connects the rod .8 with the toggle-knee,which block 9 and the keeper l2 guide the rod in vertical movement. Aninclined arm 13 is secured to the rod 8, and a rock-lever 14, journaledin the bracket 15 and provided with a roller 16, engagesthe arm 13 andat the desired interval is operated to elevate the rod and move thecarriages to the position shown in Fig. 2. The arm 13 may be operated bythe ordinary jack and box chain.

The carriages 2 and 2 have the central columns 18 and 18, provided,respectively, with the vertical guideways l9 and and 19 and 20', inwhich the standards 21 and 22 and 21 and 22reciprocate. These standardsare respectively secured to the gritfs 23 and2et and 23 and 24:, whichtheyfreciprocate, and are operated by the rods 25 'and'26 and 25 and 26,to which they are respectively pivoted. Levers 29 and 29 arejournale'don an arbor 30, supported by the frame-column 11, the

lever 29 having its ends pivoted to the rods roo 25 and 25 and the lever29 having its ends pivoted to the rods 26 and 26'. These levers arerocked simultaneously in opposite directions by the rods 31 and 31',pivoted to them as shown, the said rods being also pivoted to a frame33, which is guided in vertical movement by a depending part 40, whichplays in a keeper 41, secured to the loom-frame. An eccentric 32, fixedon a shaft 34:, journaled in any suitable manner, turns in the frame 33,and, through the mechanism described, rocks the levers 29 and 29simultaneously and in opposite directions, it being evident that thegrilfs 23 and 23 and also 24 and 25L will in like manner be caused toreciprocate simultaneously and in opposite directions. Each of theneedles, as 35, controls four hooks, as 36 and 37 and 36 and 37, thehooks being arranged in pairs, as shown, each pair moving as a singlehook and controllingasingle neckcord 39, the hooks of each pair beingturned in opposite directions.

The needles are operated in the usual mannerby pattern-cards. Themovement of each needle operates the hooks with which it is connected ina manner similar to that of the two tail-cords operated by each needlein weaving two-ply ingrain carpet, where a needle that is thrust back bya pattern-card causes one of the tail-cords which it controls to engagewith the rising lifter-board, thus lifting the desired threads, say, inthe figure, while the threads in the ground, controlled by the other ofthe two cords, remain down, since the lifter-board controlling thegroundthreads is descending. This efiects the exchange of thewarp-threads which forms the design and binds the two fabrics together,for two-ply ingrain carpet is produced by the double cloth system, andwhen the warpthreads forming the ground do not exchange with thoseforming the figure each set works on the plain weave. In the tie-up eachof the two lifter-boards controls one of the two sets of warp-threads,as the front lifter-board the ground and the back lifter-board thefigure.

The foregoing operation is fully explained in the work by E. A. Posselt,entitled The Jacquard Machine, and exemplified in the Knowlesingrain-carpet loom. These principles are embodied in the operation ofour mechanism, which is designed to supplement them by providing meansfor liftingthe same set of warp-threads successively when desired.

In the position of the mechanism shown in Fig. 1 the gritf-bars 28 ofthe griif 24 engage the hooks 36 and the griff-bars 23' of the griif 2tengage the hooks 36, and as these grifts reciprocate sim ultaneously inopposite directions it will readily appear that the neck-cords 39 arelifted in the same manner as with the usual form ofalternately-reciprocating lifterboards and tail-cords. \Vhen, however,it is desired to raise the same set of threads for consecutive picks,the rock-lever 14 is thrown into the position shown in Fig. 2, thuselevatin g the rod 8, which breaks the toggle and moves horizontallytoward each other the carriages 2 and 2' and with them the grifis, whichthey carry. The griff-bars 27 of the grifi 23 are now brought intoposition to engage the hooks 37, and the griif-bars 27 of the griif23are in like manner brought into position to engage the hooks 37, thesame set of warp threads being thus lifted for consecutive picks, for asthe hooks of each pair, as 36 37 are connected with the same cord whenthe i mechanism is in the position shown in Fig. 1 and thevertically-reciprocating bars of the grifi 24 engage the hooks 36 thecords 39 will be lifted while the griff 23 is falling, and when themechanism is in the position shown in Fig. 2. and thevertically-reciprocating bars of the griff 23 engage the hooks 37 thecords 39 will now be lifted while the griff 24 is falling, and in likemanner the grilfs 23' and 24 are caused to effect two or moreconsecutive lifts of the same set of cords.

It will be understood that the mechanism shown in side elevation shouldbe duplicated on the opposite side of the machine for effecting theoperation of the parts, and that various modifications and changes maybe made in the details of construction without departing from the spiritof our invention.

Having described our invention, we claim as new and desire to secure byLetters Patent 1. In a Jacquard machine, hooks and neckcords connectedtherewith, a pair of grifis adapted to reciprocate vertically and inopposite directions, and also adapted to reciprocate horizontally and inopposite directions,

independently of the said vertical reciprocations, and mechanism foreffecting the respective reciprocations of the said griffs,substantially as shown and described.

2. In a Jacquard machine, hooks and neckcords connected therewith, apair of grifls adapted to reciprocate vertically and in oppositedirections, a second pair of griffs adapted to reciprocate verticallyand in opposite directions, in combination with means for cf fectingthesimultaneous horizontal reciprocation of. the two pairs of griifs andmeans for reciprocating the griffs vertically, substantially as shownand described.

3. In a Jacquard machine, in combination, hooks and neck-cords connectedtherewith, a pair of griffs and a carriage adapted to move horizontally,a second pair of griffs and a carriage adapted to move horizontally, anda toggle connecting the two carriages, substansecond lever and a pair ofgriifs connected therewith and adapted to be reciprocated thereby, andmeans for operating the levers simultaneously, substantially as shownand described."

6. In a Jacquard machine, in combination, hooks and neck-cords connectedtherewith, a lever and a pair of grids connected therewith and adaptedto be reciprocated thereby, a second lever and a pair of grifisconnected therewith and adapted to be reciprocated thereby, and meansfor oscillating the said levers simultaneously and in oppositedirections, substantially as shown andv described.

'7. In a Jacquard machine, in combination, hooks and neck-cordsconnected therewith, a lever and a pair of griffs connected therewithand adapted to be reciprocated thereby, a second lever and a pairofgriffs connected therewith and adapted to be reciprocated thereby, andan eccentric connected with each of said levers, substantially as shownand described.

8. In a Jacquard machine, hooks and neckcords connected therewith, acarriage adapted to reciprocate horizontally, a pair ofvertically-reciprocating griffs' carried by the said carriage, and meansfor imparting horizontal movement to the carriage'and vertical movementto the grids, substantially as shown and described.

9. In a Jacquard machine, hooks and neckcords connected therewith, acarriage adapted to reciprocate horizontally, and a pair ofvertically-reciprocating griffs carried by the said carriage, incombination with a second carriage adapted to reciprocate horizontally,a second pair of vertically-reciprocating grids carried by the saidsecond carriage, and means for impartinghorizontal movement to the car-40 riage and vertical movementto the griffs, substantially as shown anddescribed.

10. ha Jacquard machine, in combination, hooks andneck-cords connectedtherewith, a

carriage and a pair of grifis carried by the said carriage, a secondcarriage and a pair of grids carried by the said second carriage, and atoggle connecting the two carriages, substantially as shown anddescribed.

11. InaJ acquard machine, hooks andneck- 5o cords connected therewith, apair of carriages, a toggle connecting the said carriages, a pair ofgrifEs supported by each carriage, a rod connected to the knee of thesaid toggle, an inclined arm secured to the said rod, and a leveradapted to engage the said inclined arm and elevate the said rod,substantially as shown and described.

In testimony whereof we have hereunto set our hands, this 13th day ofJanuary, 1896, in the presence of the subscribing witnesses.

EDWARD W. FRANCE. JAMES BUOKLER. In presence of THOMAS SOVEREIGN GATES,CHARLES N. BUTLER.

